Abstract：
INTRODUCTION:The aim of the present study was to evaluate the influence of ultrasonic activation (US) of the final irrigant in the removal of the photosensitizer from root canal walls after photodynamic therapy. METHODS:The root canals of 60 single-rooted bovine extracted teeth were filled with 0.01% methylene blue and submitted to photodynamic therapy for 90s. After that, the roots were divided into six groups (n=10) according to the final irrigation protocol: distilled water (DW), DW+US, 17% EDTA, QMix, EDTA+US, and QMix+US. Then, the samples were submitted to scanning electron microscopy where a scoring system was used to evaluate the images and effectiveness of proposed treatments in the cervical, middle and apical regions of the root canals. The data were statistically analyzed by the Kruskal-Wallis and Mann-Whitney U tests for intergroup comparisons as well as the Wilcoxon and Friedman tests for intragroup comparisons at 5% of significance. RESULTS:The 17% EDTA+US and QMix+US treatments were most effective in the removal of the photosensitizer in all regions of the root canal; the difference was statistically significant when compared to all other groups (p<0.05). There were no significant differences in the intragroup analysis comparing the effectiveness in the different regions of the same group (p<0.05). CONCLUSIONS:US can aid 17% EDTA and QMix in removing the photosensitizer after photodynamic therapy and contributes to cleaning root canal walls.
journal_name
Photodiagnosis Photodyn Therjournal_title
Photodiagnosis and photodynamic therapyauthors
Souza MA,Pazinatto B,Bischoff KF,Palhano HS,Cecchin D,de Figueiredo JAPdoi
10.1016/j.pdpdt.2016.12.011subject
Has Abstractpub_date
2017-03-01 00:00:00pages
216-220eissn
1572-1000issn
1873-1597pii
S1572-1000(16)30149-1journal_volume
17pub_type
杂志文章abstract：BACKGROUND:The objective of this paper was to verify if the oral administration of δ-aminolevulinic acid (ALA) in animals with prostate tumor can increase the sensitivity of cancer diagnosis by protoporphyrin IX blood autofluorescence. In this study, the autofluorescence of blood porphyrin was analyzed using fluorescen...
journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
pub_type： 临床试验,杂志文章
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更新日期：2012-03-01 00:00:00
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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doi：10.1016/j.pdpdt.2012.11.001
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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更新日期：2013-02-01 00:00:00
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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更新日期：2018-06-01 00:00:00
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
pub_type： 杂志文章,随机对照试验
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更新日期：2019-12-01 00:00:00
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journal_title：Photodiagnosis and photodynamic therapy
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更新日期：2017-12-01 00:00:00
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journal_title：Photodiagnosis and photodynamic therapy
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更新日期：2020-03-01 00:00:00
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journal_title：Photodiagnosis and photodynamic therapy
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journal_title：Photodiagnosis and photodynamic therapy
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.pdpdt.2018.10.010
更新日期：2018-12-01 00:00:00
